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Added ShaderManager (Experimental)

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Former-commit-id: 327e373f2b932e31184e88c5f29bd5bd8fa3ba46
This commit is contained in:
Lynix
2013-07-15 00:23:04 +02:00
parent 68d5f9a8e6
commit 4352083c4b
23 changed files with 1367 additions and 955 deletions
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102
src/Nazara/Graphics/TextureBackground.cpp
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@@ -2,99 +2,22 @@
// This file is part of the "Nazara Engine - Graphics module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#ifndef NAZARA_RENDERER_OPENGL
#define NAZARA_RENDERER_OPENGL // Nécessaire pour inclure les headers OpenGL
#endif
#include <Nazara/Renderer/OpenGL.hpp>
#include <Nazara/Graphics/TextureBackground.hpp>
#include <Nazara/Renderer/Renderer.hpp>
#include <Nazara/Renderer/ShaderBuilder.hpp>
#include <Nazara/Renderer/ShaderManager.hpp>
#include <memory>
#include <Nazara/Graphics/Debug.hpp>
namespace
{
static NzShader* s_shader = nullptr;
static int s_textureLocation;
NzShader* BuildShader()
{
const char* fragmentSource110 =
"#version 110\n"
"varying vec2 vTexCoord;\n"
"uniform sampler2D Texture;\n"
"void main()\n"
"{\n"
" gl_FragColor = texture(Texture, vTexCoord);\n"
"}\n";
const char* fragmentSource140 =
"#version 140\n"
"in vec2 vTexCoord;\n"
"out vec4 RenderTarget0;\n"
"uniform sampler2D Texture;\n"
"void main()\n"
"{\n"
" RenderTarget0 = texture(Texture, vTexCoord);\n"
"}\n";
const char* vertexSource110 =
"#version 110\n"
"attribute vec2 VertexPosition;\n"
"varying vec2 vTexCoord;\n"
"void main()\n"
"{\n"
" gl_Position = vec4(VertexPosition, 0.0, 1.0);\n"
" vTexCoord = vec2((VertexPosition.x + 1.0)*0.5, (VertexPosition.y + 1.0)*0.5);\n"
"}\n";
const char* vertexSource140 =
"#version 140\n"
"in vec2 VertexPosition;\n"
"out vec2 vTexCoord;\n"
"void main()\n"
"{\n"
" gl_Position = vec4(VertexPosition, 0.0, 1.0);\n"
" vTexCoord = vec2((VertexPosition.x + 1.0)*0.5, (VertexPosition.y + 1.0)*0.5);\n"
"}\n";
///TODO: Remplacer ça par des ShaderNode
std::unique_ptr<NzShader> shader(new NzShader(nzShaderLanguage_GLSL));
shader->SetPersistent(false);
bool useGLSL140 = (NzOpenGL::GetVersion() >= 310);
if (!shader->Load(nzShaderType_Fragment, (useGLSL140) ? fragmentSource140 : fragmentSource110))
{
NazaraError("Failed to load fragment shader");
return nullptr;
}
if (!shader->Load(nzShaderType_Vertex, (useGLSL140) ? vertexSource140 : vertexSource110))
{
NazaraError("Failed to load vertex shader");
return nullptr;
}
if (!shader->Compile())
{
NazaraError("Failed to compile shader");
return nullptr;
}
s_textureLocation = shader->GetUniformLocation("Texture");
return shader.release();
}
}
NzTextureBackground::NzTextureBackground()
{
if (!s_shader)
s_shader = BuildShader();
NzShaderManagerParams params;
params.target = nzShaderTarget_FullscreenQuad;
params.flags = 0;
params.fullscreenQuad.alphaMapping = false;
params.fullscreenQuad.alphaTest = false;
params.fullscreenQuad.diffuseMapping = true;
m_shader = s_shader;
m_shader = NzShaderManager::Get(params);
}
NzTextureBackground::NzTextureBackground(NzTexture* texture) :
@@ -103,19 +26,14 @@ NzTextureBackground()
m_texture = texture;
}
NzTextureBackground::~NzTextureBackground()
{
if (m_shader.Reset())
s_shader = nullptr;
}
void NzTextureBackground::Draw(const NzScene* scene) const
{
NazaraUnused(scene);
static NzRenderStates states;
m_shader->SendInteger(s_textureLocation, 0);
m_shader->SendColor(m_shader->GetUniformLocation(nzShaderUniform_MaterialDiffuse), NzColor::White);
m_shader->SendInteger(m_shader->GetUniformLocation(nzShaderUniform_MaterialDiffuseMap), 0);
NzRenderer::SetRenderStates(states);
NzRenderer::SetShader(m_shader);